Prediction of the Nutritive Value of Pasture Silage by Near Infrared Spectroscopy (NIRS)

The aim of this study was to investigate the use of near infrared reflectance (NIRS) spectroscopy to predict the nutritive value of silages from pastures and to assess the effect of silage structure type (e.g. bunker and bag silos) on the NIRS predictions. Samples (n = 120) were sourced from commerc...

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Autores principales:	Restaino,Ernesto A, Fernández,Enrique G, La Manna,Alejandro, Cozzolino,Daniel
Lenguaje:	English
Publicado:	Instituto de Investigaciones Agropecuarias, INIA 2009
Materias:	silage nutritive value near infrared reflectance spectroscopy pastures
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392009000400011
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spelling	oai:scielo:S0718-583920090004000112018-10-01Prediction of the Nutritive Value of Pasture Silage by Near Infrared Spectroscopy (NIRS)Restaino,Ernesto AFernández,Enrique GLa Manna,AlejandroCozzolino,Daniel silage nutritive value near infrared reflectance spectroscopy pastures The aim of this study was to investigate the use of near infrared reflectance (NIRS) spectroscopy to predict the nutritive value of silages from pastures and to assess the effect of silage structure type (e.g. bunker and bag silos) on the NIRS predictions. Samples (n = 120) were sourced from commercial farms and analyzed in a NIRS monochromator instrument (NIR Systems, Silver Spring, Maryland, USA) using wavelengths between 400 and 2500 nm in reflectance. Calibration models were developed between chemical and NIRS spectral data using partial least squares (PLS) regression. The coefficients of determination in calibration (R²) and the standard error in cross validation (SECV) were 0.73 (SECV: 1.2%), 0.81 (SECV: 2.0%), 0.75 (SECV: 6.6%), 0.80 (SECV: 6.7%), 0.80 (SECV: 4.0%), 0.60 (SECV: 3.6%) and 0.70 (SECV: 0.34) for ash, crude protein (CP), neutral detergent fiber (NDF), dry matter (DM), acid detergent fiber (ADF), in vitro dry matter digestibility (IVDMD) and pH, respectively. The results showed the potential of NIRS to analyze DM, ADF and CP in silage samples from pastures.info:eu-repo/semantics/openAccessInstituto de Investigaciones Agropecuarias, INIAChilean journal of agricultural research v.69 n.4 20092009-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392009000400011en10.4067/S0718-58392009000400011
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	silage nutritive value near infrared reflectance spectroscopy pastures
spellingShingle	silage nutritive value near infrared reflectance spectroscopy pastures Restaino,Ernesto A Fernández,Enrique G La Manna,Alejandro Cozzolino,Daniel Prediction of the Nutritive Value of Pasture Silage by Near Infrared Spectroscopy (NIRS)
description	The aim of this study was to investigate the use of near infrared reflectance (NIRS) spectroscopy to predict the nutritive value of silages from pastures and to assess the effect of silage structure type (e.g. bunker and bag silos) on the NIRS predictions. Samples (n = 120) were sourced from commercial farms and analyzed in a NIRS monochromator instrument (NIR Systems, Silver Spring, Maryland, USA) using wavelengths between 400 and 2500 nm in reflectance. Calibration models were developed between chemical and NIRS spectral data using partial least squares (PLS) regression. The coefficients of determination in calibration (R²) and the standard error in cross validation (SECV) were 0.73 (SECV: 1.2%), 0.81 (SECV: 2.0%), 0.75 (SECV: 6.6%), 0.80 (SECV: 6.7%), 0.80 (SECV: 4.0%), 0.60 (SECV: 3.6%) and 0.70 (SECV: 0.34) for ash, crude protein (CP), neutral detergent fiber (NDF), dry matter (DM), acid detergent fiber (ADF), in vitro dry matter digestibility (IVDMD) and pH, respectively. The results showed the potential of NIRS to analyze DM, ADF and CP in silage samples from pastures.
author	Restaino,Ernesto A Fernández,Enrique G La Manna,Alejandro Cozzolino,Daniel
author_facet	Restaino,Ernesto A Fernández,Enrique G La Manna,Alejandro Cozzolino,Daniel
author_sort	Restaino,Ernesto A
title	Prediction of the Nutritive Value of Pasture Silage by Near Infrared Spectroscopy (NIRS)
title_short	Prediction of the Nutritive Value of Pasture Silage by Near Infrared Spectroscopy (NIRS)
title_full	Prediction of the Nutritive Value of Pasture Silage by Near Infrared Spectroscopy (NIRS)
title_fullStr	Prediction of the Nutritive Value of Pasture Silage by Near Infrared Spectroscopy (NIRS)
title_full_unstemmed	Prediction of the Nutritive Value of Pasture Silage by Near Infrared Spectroscopy (NIRS)
title_sort	prediction of the nutritive value of pasture silage by near infrared spectroscopy (nirs)
publisher	Instituto de Investigaciones Agropecuarias, INIA
publishDate	2009
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392009000400011
work_keys_str_mv	AT restainoernestoa predictionofthenutritivevalueofpasturesilagebynearinfraredspectroscopynirs AT fernandezenriqueg predictionofthenutritivevalueofpasturesilagebynearinfraredspectroscopynirs AT lamannaalejandro predictionofthenutritivevalueofpasturesilagebynearinfraredspectroscopynirs AT cozzolinodaniel predictionofthenutritivevalueofpasturesilagebynearinfraredspectroscopynirs
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Prediction of the Nutritive Value of Pasture Silage by Near Infrared Spectroscopy (NIRS)

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